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2. The Námafjall Geothermal System. An Overview of its Chemistry (In Icelandic);Ármannsson,1993
3. Öxarfjördur. Studies of Gas (In Icelandic);Ármannsson,1998
4. Grændalur, the Effect of Mixing Effluent Water from a High Temperature Geothermal Well with Water in River Grændalsá (In Icelandic);Ármannsson,2001
5. Reaction of groundwater with rock from the Krafla area, N-E Iceland and volcanic gas;Ármannsson,2001